#define _CRT_SECURE_NO_WARNINGS
#include"Date.h"
int main()
{
	Date d1;
	d1.Print();

	//d1 += 100;
	//d1.Print();//2005/12/6

	//Date d2 = d1 + 100;
	//d1.Print();//2005/12/6
	//d2.Print();//2006/3/16

	//d2 -= 100;
	//d2.Print();//2005/12/6
	//Date d3 = d2 - 100;
	//d2.Print();//2005/12/6
	//d3.Print();//2005/8/28

	Date d2(2025, 1, 6);
	cout << d2 - d1 << endl;

	Date d3;
	Date d4;
	cin >> d3 >> d4;
	cout << d3 << d4;
	
	return 0;
}